{
  "version": "20260528a",
  "domain": "postleitzahlen.online",
  "source": "GeoNames postal-code rows for DE, AT and CH loaded from the local build cache.",
  "noInventedData": true,
  "coordinatePolicy": "geo is null when source rows do not contain latitude and longitude; no fallback marker is generated.",
  "fields": {
    "country": "ISO country code: DE, AT or CH.",
    "postalCode": "Postal code kept as text, preserving leading zeros.",
    "path": "Stable detail URL for the postal code.",
    "places": "Distinct place strings connected to the postal code in the source rows.",
    "regions": "Distinct first-level regions connected to the postal code.",
    "prefix": "First two postal-code characters used for routing and territory grouping.",
    "geo": "Averaged source centroid for rows with source coordinates, otherwise null.",
    "ambiguity": "Derived ambiguity signals for multi-place, multi-region, cross-country postal code and same-place situations.",
    "neighbors": "Nearby postal codes derived from same country-prefix, same region and numeric proximity.",
    "shipping": "Export-ready routing profile for country, prefix zone and region routes.",
    "crm": "Stable territory keys for country-prefix and country-region segmentation."
  },
  "reasonCodes": {
    "same-postal-other-country": "The same postal code exists in at least one other DACH country.",
    "same-place-other-country": "A place name also appears in another DACH country.",
    "same-place-other-region": "A place name also appears in another region of the same country.",
    "prefix": "Neighbor selected through the same two-character postal prefix.",
    "region": "Neighbor selected through the same first-level region.",
    "near": "Neighbor selected through numeric proximity.",
    "prefix+region+near": "Neighbor matched prefix, region and numeric proximity."
  },
  "signalCodes": {
    "multi-place": "Several place or district strings share this postal code.",
    "multi-region": "Several regions are attached to this postal code.",
    "same-postal-other-country": "The postal code is not country-unique in DACH.",
    "same-place-other-area": "Same place names exist in other regions or countries."
  },
  "warningCodes": {
    "confirm-place": "Confirm visible place before label printing.",
    "country-required": "Store country explicitly; postal code alone is ambiguous across DACH.",
    "no-geo": "No source centroid is available."
  },
  "crmKeyPattern": {
    "countryPrefixKey": "COUNTRY:prefix:PREFIX, for example DE:prefix:04.",
    "countryRegionKey": "COUNTRY:region:REGION_SLUG, for example DE:region:sachsen."
  },
  "examples": [
    {
      "input": "04109 Leipzig DE",
      "expectedStatus": "exact",
      "path": "/plz/de/04109/"
    },
    {
      "input": "1010 Wien AT",
      "expectedStatus": "exact",
      "path": "/plz/at/1010/"
    },
    {
      "input": "8001 Zürich CH",
      "expectedStatus": "exact",
      "path": "/plz/ch/8001/"
    }
  ]
}